Anthony Hopkins as Father Lucas Trevant

Colin O'Donoghue as Michael Kovak

Alice Braga as Angeline

Rutger Hauer as Istvan Kovak

Ciarán Hinds as Father Xavier

Toby Jones as Father Matthew

Maria Grazia Cucinotta as Aunt Andria

Marta Gastini as Rosaria

Arianna Veronesi as Francesca

Andrea Calligari as Vincenzo

Christopher Rodriguez Marquette as Eddie

Torrey DeVitto as Nina

Ben Cheetham as Young Michael

Marija Karan as Sandra

Rosa Pianeta as Woman in Exorcism Video

Giampiero Ingrassia as Doctor

Rosario Tedesco as Police Officer

Cecilia Dazzi as Nurse

Attila Bardóczy as Xavier's Secretary

Nadia Kibout as Ethnic Nun

Anita Pititto as Vatican Nun

Sandor Baranyai as Concierge

Fabiola Balestriere as Young Girl

Aniko Vincze as Katalin Kovak